<?php
namespace app\api\controller;

use fast\Random;
use think\Config;
use think\Controller;

class Ajax extends Controller
{
    //上传配置
    CONST UPLOAD_CONF = [
         'uploadurl' => "ajax/upload",
         'cdnurl' => "",
         'savekey' => "/uploads/avatar/{year}-{mon}-{day}-{filemd5}{.suffix}",
         'maxsize' => "0.512mb",
         'mimetype' => "*",
         'filetype'=>['gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf'],
         'multiple' => false,
         'bucket' => "local",
         'multipart' => [],
    ];
    /**
     * 上传文件
     */
    public function upload()
    {
        Config::set('default_return_type', 'json');
        $file = $this->request->file('file');
        if (empty($file))
        {
            $this->error("未上传文件");
        }
        /*
         * 限制上传大小
        $size = $file->getInfo()['size'];
        $maxSize = self::UPLOAD_CONF['maxSize'];
        if ($size > $maxSize )
        {
            $limit = $maxSize/1024/1024;
            $this->error("{$size} 文件不可大于:{$limit}M");
        }*/

        //判断是否已经存在附件
        $sha1 = $file->hash();
//        $upload = Config::get('upload');

        preg_match('/(\d+)(\w+)/', self::UPLOAD_CONF['maxsize'], $matches);
        $type = strtolower($matches[2]);
        $typeDict = ['b' => 0, 'k' => 1, 'kb' => 1, 'm' => 2, 'mb' => 2, 'gb' => 3, 'g' => 3];
        $size = (float) self::UPLOAD_CONF['maxsize'] * pow(1024, isset($typeDict[$type]) ? $typeDict[$type] : 0);
        $fileInfo = $file->getInfo();
        $suffix = strtolower(pathinfo($fileInfo['name'], PATHINFO_EXTENSION));
        $suffix = $suffix ? $suffix : 'file';
        $replaceArr = [
//            '{mp_id}'    => sprintf("%08d", get_api_applet_id()),
            '{year}'     => date("Y"),
            '{mon}'      => date("m"),
            '{day}'      => date("d"),
            '{hour}'     => date("H"),
            '{min}'      => date("i"),
            '{sec}'      => date("s"),
            '{random}'   => Random::alnum(16),
            '{random32}' => Random::alnum(32),
            '{filename}' => $suffix ? substr($fileInfo['name'], 0, strripos($fileInfo['name'], '.')) : $fileInfo['name'],
            '{suffix}'   => $suffix,
            '{.suffix}'  => $suffix ? '.' . $suffix : '',
            '{filemd5}'  => md5_file($fileInfo['tmp_name']),
        ];
        $savekey = self::UPLOAD_CONF['savekey'];
        $savekey = str_replace(array_keys($replaceArr), array_values($replaceArr), $savekey);

        $uploadDir = substr($savekey, 0, strripos($savekey, '/') + 1);
        $fileName = substr($savekey, strripos($savekey, '/') + 1);
        //
        $splInfo = $file->validate([
            'size' => $size,
            'ext'=>self::UPLOAD_CONF['filetype']
        ])->move(ROOT_PATH . '/public' . $uploadDir, $fileName);
        if ($splInfo)
        {
            $imagewidth = $imageheight = 0;
            if (in_array($suffix, ['gif', 'jpg', 'jpeg', 'bmp', 'png', 'swf']))
            {
                $imgInfo = getimagesize($splInfo->getPathname());
                $imagewidth = isset($imgInfo[0]) ? $imgInfo[0] : $imagewidth;
                $imageheight = isset($imgInfo[1]) ? $imgInfo[1] : $imageheight;
            }
            $params = array(
//                'mp_id'       => get_admin_applet_id(),
                'filesize'    => $fileInfo['size'],
                'imagewidth'  => $imagewidth,
                'imageheight' => $imageheight,
                'imagetype'   => $suffix,
                'imageframes' => 0,
                'mimetype'    => $fileInfo['type'],
                'url'         => $uploadDir . $splInfo->getSaveName(),
                'uploadtime'  => time(),
                'storage'     => 'local',
                'sha1'        => $sha1,
            );
            $attachment = model("attachment_front");
            $attachment->data(array_filter($params));
            $attachment->save();
            \think\Hook::listen("upload_after", $attachment);
            $this->success('上传成功', null, [
                'url' => $uploadDir . $splInfo->getSaveName()
            ]);
        }
        else
        {
            // 上传失败获取错误信息
            $this->error($file->getError());
        }
    }
}
